Pharmokinetics of Premedication Drugs

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Questions and Answers

Which receptor is primarily associated with analgesic and sedation effects in the brain?

  • Nociception receptors
  • Delta receptors
  • Kappa receptors
  • Mu receptors (correct)

Which drug is more selective for the alpha 2 medication compared to Xylazine and Medetomidine?

  • Dexmedetomidine (correct)
  • Detomidine
  • Romifidine
  • Medetomidine

Which opioid is a partial agonist and will not elicit a fuller response even at maximal dose?

  • Buprenorphine (correct)
  • Pethidine
  • Methadone
  • Fentanyl

Which drug can act as a reverser for A2 adrenoreceptor agonists?

<p>Atipamezole (B)</p> Signup and view all the answers

Which receptor is associated with marked bradycardia and hypertension?

<p>Alpha 2 receptor (A)</p> Signup and view all the answers

Which class of drugs primarily acts by antagonizing dopamine receptors?

<p>Phenothiazines (A)</p> Signup and view all the answers

Which receptor is primarily associated with analgesic and anti-depressant effects in the brain?

<p>Delta receptors (A)</p> Signup and view all the answers

Which receptor is primarily associated with analgesic, sedative, and diuretic effects in the brain?

<p>Kappa receptors (D)</p> Signup and view all the answers

Which receptor is primarily associated with analgesia, sedation, respiratory depression, euphoria, and constipation in the brain?

<p>Mu receptors (D)</p> Signup and view all the answers

Which receptor is primarily associated with anxiety and depression in the brain, spinal cord, and amygdala?

<p>Nociception receptors (B)</p> Signup and view all the answers

Which of the following characteristics is important for a drug used for premedication?

<p>Rapid onset (D)</p> Signup and view all the answers

What is the role of lipophilicity in premedication drugs?

<p>To cross plasma membranes (B)</p> Signup and view all the answers

Which of the following is a characteristic of centrally acting drugs?

<p>Inhibitory effects (D)</p> Signup and view all the answers

What is the role of alpha 2 adrenoreceptor agonists?

<p>Constriction or relaxation (C)</p> Signup and view all the answers

What is the main reason for using selective alpha 2 drugs?

<p>To bind to A2 receptors only (C)</p> Signup and view all the answers

Which of the following is a property of alpha 2 adrenoreceptor agonists?

<p>Sedative and muscle relaxant properties (B)</p> Signup and view all the answers

Which of the following is should not be a characteristic of a premedication drugs?

<p>Long elimination time (B)</p> Signup and view all the answers

What is the role of A2 receptors in the cholinergic system?

<p>Reduction of noradrenaline release (B)</p> Signup and view all the answers

What is the effect of increasing the dose of alpha 2 adrenoreceptor agonists?

<p>Increased chance of affecting other receptors (C)</p> Signup and view all the answers

Which of the following drugs is a selective alpha 2 adrenoreceptor agonist?

<p>Medetomidine (A)</p> Signup and view all the answers

Which opioid is commonly used in veterinary medicine as an analgesic?

<p>Butorphanol (D)</p> Signup and view all the answers

Which receptor is primarily associated with analgesia, sedation, respiratory depression, euphoria, and constipation in the brain?

<p>Mu receptor (A)</p> Signup and view all the answers

Which of the following is a characteristic of benzodiazepines?

<p>Causes anxiolysis, sedation, and hypnosis (B)</p> Signup and view all the answers

Which drug is a NMDA receptor antagonist?

<p>Ketamine (A)</p> Signup and view all the answers

Which of the following is a property of ketamine?

<p>Rapid onset of action and short duration (A)</p> Signup and view all the answers

Which receptor is primarily associated with analgesic and anti-depressant effects in the brain?

<p>Delta receptor (C)</p> Signup and view all the answers

Which of the following is a property of phenothiazines?

<p>Antagonism of dopamine receptors (C)</p> Signup and view all the answers

Which receptor is primarily associated with analgesic, sedative, and diuretic effects in the brain?

<p>Kappa receptor (C)</p> Signup and view all the answers

Which of the following characteristics is important for a drug used for premedication?

<p>Must be lipophilic (D)</p> Signup and view all the answers

What is the role of lipophilicity in premedication drugs?

<p>It allows the drug to distribute to the brain (C)</p> Signup and view all the answers

What is the effect of increasing the dose of alpha 2 adrenoreceptor agonists?

<p>Increase the chance to effect other receptors (A)</p> Signup and view all the answers

Which receptor is primarily associated with analgesic, sedative, and muscle relaxant properties in the brain?

<p>Alpha 2 adrenoreceptor (C)</p> Signup and view all the answers

Which receptor is primarily associated with heart function, airways, and metabolic effects?

<p>Beta adrenoreceptor (B)</p> Signup and view all the answers

Which of the following is a property of alpha 2 adrenoreceptor agonists?

<p>Marked bradycardia and hypotension (D)</p> Signup and view all the answers

Which drug is more selective for the alpha 2 receptor compared to Xylazine?

<p>Medetomidine (C)</p> Signup and view all the answers

What is the main reason for using selective alpha 2 drugs?

<p>To bypass the blood-brain barrier (B)</p> Signup and view all the answers

What is the role of A2 receptors in the cholinergic system?

<p>Inhibits the release of noradrenaline (B)</p> Signup and view all the answers

Which of the following is NOT associated with alpha 2 adrenoreceptor agonists?

<p>Euphoric effects (A)</p> Signup and view all the answers

Which of the following drugs is a selective alpha 2 adrenoreceptor agonist?

<p>Medetomidine (A)</p> Signup and view all the answers

Which receptor is primarily associated with analgesic, sedative, and diuretic effects in the brain?

<p>Kappa receptors (A)</p> Signup and view all the answers

What is the main reason for using selective alpha 2 drugs?

<p>To provide analgesia (D)</p> Signup and view all the answers

Which receptor is associated with marked bradycardia and hypertension?

<p>Alpha 2 receptors (A)</p> Signup and view all the answers

Which of the following is NOT a characteristic of premedication drugs?

<p>Rapid onset of action (C)</p> Signup and view all the answers

Which opioid is a partial agonist and will not elicit a fuller response even at maximal dose?

<p>Buprenorphine (D)</p> Signup and view all the answers

Which of the following is NOT associated with alpha 2 adrenoreceptor agonists?

<p>Axiolysis (B)</p> Signup and view all the answers

Which drug can act as a reverser for A2 adrenoreceptor agonists?

<p>Atipamezole (D)</p> Signup and view all the answers

What is the role of lipophilicity in premedication drugs?

<p>It aids in oral and intramuscular absorption (C)</p> Signup and view all the answers

Which of the following is a property of benzodiazepines?

<p>They act as GABA agonists (D)</p> Signup and view all the answers

Which characteristic is important for a drug used for premedication?

<p>Must be lipophilic and readily absorbed (C)</p> Signup and view all the answers

Which receptor is primarily associated with analgesic effects in the brain?

<p>Alpha 2 adrenoreceptor (C)</p> Signup and view all the answers

What is the effect of increasing the dose of alpha 2 adrenoreceptor agonists?

<p>Increase the chance to effect other receptors not A2 specific (A)</p> Signup and view all the answers

What is the role of A2 receptors in the cholinergic system?

<p>Promote the action of inhibitory neurotransmitters (C)</p> Signup and view all the answers

Which of the following is a characteristic of benzodiazepines?

<p>Crosses the blood brain barrier (B)</p> Signup and view all the answers

Which receptor is associated with marked bradycardia and hypotension?

<p>Alpha 2 adrenoreceptor (D)</p> Signup and view all the answers

What is the main reason for using selective alpha 2 drugs?

<p>To promote the action of inhibitory neurotransmitters (C)</p> Signup and view all the answers

Which receptor is primarily associated with sedation and muscle relaxation in the brain?

<p>Alpha 2 adrenoreceptor (C)</p> Signup and view all the answers

Which of the following drugs is a selective alpha 2 adrenoreceptor agonist?

<p>Xylazine (A)</p> Signup and view all the answers

Which of the following characteristics is important for a drug used for premedication?

<p>Must be lipophilic and readily absorbed (B)</p> Signup and view all the answers

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